adj.兩年一次的；兩年生的
n.兩年生植物；兩年一次的事
Every union has its own annual or biennial meeting. 每個(gè)工會(huì)都有自己的年會(huì)或每二年一次的大會(huì)。
The workers were strongly against the biennial election. 工人們強(qiáng)烈反對(duì)兩年一次的選舉。
All annual and biennial plants are monocarpic. 所有一年生及二年生植物都是結(jié)果一次后死去。
用作名詞 (n.)This is a biennial, and one of the most useful pasture plants we have. 這是兩年生植物,也是我們最有用的牧草之一。
adv.二年一次地；每?jī)赡?/p>
